HighlightsCongenital internal hernias are an infrequent condition resulting from the protrusion of abdominal organ through an intra-peritoneal defect.Left paraduodenal hernia is the most common types of congenital internal hernias.Landzert fossa is bounded by the fourth part of the duodenum from the right, the posterior peritoneum posteriorly, the inferior mesenteric vein, and left branches of the middle colic artery anteriorly.Laparotomy is mandated in cases of intestinal perforations, necrosis and hemodynamic instability.

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